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    Informational Odds Ratio: A Useful Measure of Epidemiologic Association in Environment Exposure Studies

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    Author
    Efird, Jimmy T.; Lea, C. Suzanne; Toland, Amanda; Phillips, Christopher J.
    Abstract
    The informational odds ratio (IOR) measures the post-exposure odds divided by the pre-exposure odds (ie, information gained after knowing exposure status). A desirable property of an adjusted ratio estimate is collapsibility (ie, the combined crude ratio will not change after adjusting for a variable that is not a confounder). Adjusted traditional odds ratios (TORs) are not collapsible. In contrast, Mantel-Haenszel adjusted IORs generally are collapsible. IORs are a useful measure of disease association in environmental case-referent studies, especially when the disease is common in the exposed and/or unexposed groups.
    URI
    http://hdl.handle.net/10342/5836
    Subject
     informational odds ratio; collapsibility; pre- and post-exposure odds 
    Date
    2012
    Citation:
    APA:
    Efird, Jimmy T., & Lea, C. Suzanne, & Toland, Amanda, & Phillips, Christopher J.. (January 2012). Informational Odds Ratio: A Useful Measure of Epidemiologic Association in Environment Exposure Studies. Environmental Health Insights, 6(), 17- 25. Retrieved from http://hdl.handle.net/10342/5836

    Display/Hide MLA, Chicago and APA citation formats.

    MLA:
    Efird, Jimmy T., and Lea, C. Suzanne, and Toland, Amanda, and Phillips, Christopher J.. "Informational Odds Ratio: A Useful Measure of Epidemiologic Association in Environment Exposure Studies". Environmental Health Insights. 6:. (17-25), January 2012. September 23, 2023. http://hdl.handle.net/10342/5836.
    Chicago:
    Efird, Jimmy T. and Lea, C. Suzanne and Toland, Amanda and Phillips, Christopher J., "Informational Odds Ratio: A Useful Measure of Epidemiologic Association in Environment Exposure Studies," Environmental Health Insights 6, no. (January 2012), http://hdl.handle.net/10342/5836 (accessed September 23, 2023).
    AMA:
    Efird, Jimmy T., Lea, C. Suzanne, Toland, Amanda, Phillips, Christopher J.. Informational Odds Ratio: A Useful Measure of Epidemiologic Association in Environment Exposure Studies. Environmental Health Insights. January 2012; 6(): 17-25. http://hdl.handle.net/10342/5836. Accessed September 23, 2023.
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